(loosely) A contradiction in terms. Historically, an oxymoron was a paradox with a point, where the contradiction seems absurd at first glance, and yet is deliberate, its purpose being to underscore a point or to draw attention to a concealed point.
By far the most massive planet in our solar system, Jupiter features giant hurricanes, auroras, abstract artistic cloudswirls, and maybe even a solid core. It also protects Earth by gravitationally clearing the solar system of asteroids and comets.
Jupiter--Earth's Menace or Saviour. Jupiter is the largest planet in our solar system whereas Earth is only the fifth largest among all planets. Jupiter, the massive gas planet, is capable of exerting immense gravitational force on other planets.